.loading-wrap {
    margin: 100px auto 0;
    width: 70px;
    text-align: center;
}
.spinner {
    width: 70px;
    text-align: center;
}

.spinner > div {
    width: 15px;
    height: 15px;
    background-color: #333;
    border-radius: 100%;
    display: inline-block;
    -webkit-animation: sk-bouncedelay 1.4s infinite ease-in-out both;
    animation: sk-bouncedelay 1.4s infinite ease-in-out both;
}

.spinner .bounce1 {
    -webkit-animation-delay: -0.32s;
    animation-delay: -0.32s;
}

.spinner .bounce2 {
    -webkit-animation-delay: -0.16s;
    animation-delay: -0.16s;
}

@-webkit-keyframes sk-bouncedelay {
    0%, 80%, 100% { -webkit-transform: scale(0) }
    40% { -webkit-transform: scale(1.0) }
}

@keyframes sk-bouncedelay {
    0%, 80%, 100% { 
    -webkit-transform: scale(0);
    transform: scale(0);
    } 40% { 
    -webkit-transform: scale(1.0);
    transform: scale(1.0);
    }
}